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Red Hat Enterprise Linux 7: RHSA-2019-0697 Important: FreeRDP Heap Overflow

red hat
Calendar Grey April 2, 2019
Dist Redhat Esm H88
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ====================================================
An update for freerdp is now available for Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox.
Security Fix(es):
* freerdp: Integer truncation leading to heap-based buffer overflow in update_read_bitmap_update() function (CVE-2018-8786)
* freerdp: Integer overflow leading to heap-based buffer overflow in gdi_Bitmap_Decompress() function (CVE-2018-8787)
* freerdp: Out-of-bounds write in nsc_rle_decode() function (CVE-2018-8788)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux security patch heap overflow important update RDP freerdp

References

https://access.redhat.com/security/cve/CVE-2018-8786 https://access.redhat.com/security/cve/CVE-2018-8787 https://access.redhat.com/security/cve/CVE-2018-8788 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: freerdp-1.0.2-15.el7_6.1.src.rpm
x86_64: freerdp-1.0.2-15.el7_6.1.x86_64.rpm freerdp-debuginfo-1.0.2-15.el7_6.1.i686.rpm freerdp-debuginfo-1.0.2-15.el7_6.1.x86_64.rpm freerdp-libs-1.0.2-15.el7_6.1.i686.rpm freerdp-libs-1.0.2-15.el7_6.1.x86_64.rpm freerdp-plugins-1.0.2-15.el7_6.1.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: freerdp-debuginfo-1.0.2-15.el7_6.1.i686.rpm freerdp-debuginfo-1.0.2-15.el7_6.1.x86_64.rpm freerdp-devel-1.0.2-15.el7_6.1.i686.rpm freerdp-devel-1.0.2-15.el7_6.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: freerdp-1.0.2-15.el7_6.1.src.rpm
ppc64: freerdp-1.0.2-15.el7_6.1.ppc64.rpm freerdp-debuginfo-1.0.2-15.el7_6.1.ppc.rpm freerdp-debuginfo-1.0.2-15.el7_6.1.ppc64.rpm freerdp-libs-1.0.2-15.el7_6.1.ppc.rpm freerdp-libs-1.0.2-15.el7_6.1.ppc64.rpm freerdp-plugins-1.0.2-15.el7_6.1.ppc64.rpm
ppc64le: freerdp-1.0.2-15.el7_6.1.ppc64le.rpm freerdp-debuginfo-1.0.2-15.el7_6.1.ppc64le.rpm freerdp-libs-1.0.2-15.el7_6.1.ppc64le.rpm freerdp-plugins-1.0.2-15.el7_6.1.ppc64le.rpm
s390x: freerdp-1.0.2-15.el7_6.1.s390x.rpm freerdp-debuginfo-1.0.2-15.el7_6.1.s390.rpm freerdp-debuginfo-1.0.2-15.el7_6.1.s390x.rpm freerdp-libs-1.0.2-15.el7_6.1.s390.rpm freerdp-libs-1.0.2-15.el7_6.1.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:0697-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0697
Issue date: 2019-04-02

Topic

An update for freerdp is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux security patch heap overflow important update RDP freerdp

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le, s390x

Bugs Fixed

1671359 - CVE-2018-8786 freerdp: Integer truncation leading to heap-based buffer overflow in update_read_bitmap_update() function

1671361 - CVE-2018-8787 freerdp: Integer overflow leading to heap-based buffer overflow in gdi_Bitmap_Decompress() function

1671363 - CVE-2018-8788 freerdp: Out-of-bounds write in nsc_rle_decode() function

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